PPS 12 Housing in Settlements·Page 29·83
Density Increases in Conservation Areas and Areas of Townscape Character
Density increases will not normally be acceptable in Conservation Areas and Areas of Townscape Character in order to protect distinctive townscape characteristics.
To protect the distinctive townscape characteristics of Conservation Areas and Areas of Townscape Character, an increase in housing density will not normally be acceptable.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/PPS 12 - Housing in Settlements.pdf